Obs. : 2014-06-21
Planet	Ly alpha (photons/cm^2/sec)
Mercury    4.279e+11
Venus      4.112e+11
Earth      3.737e+11
Mars       3.866e+11
Jupiter    4.300e+11
Saturn     3.787e+11
Uranus     3.885e+11
Neptune    3.648e+11
Pluto      3.723e+11